1 /* 2 * Header file for AT91/AT32 LCD Controller 3 * 4 * Data structure and register user interface 5 * 6 * Copyright (C) 2007 Atmel Corporation 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 */ 22 #ifndef __ATMEL_LCDC_H__ 23 #define __ATMEL_LCDC_H__ 24 25 #include <linux/workqueue.h> 26 27 /* Way LCD wires are connected to the chip: 28 * Some Atmel chips use BGR color mode (instead of standard RGB) 29 * A swapped wiring onboard can bring to RGB mode. 30 */ 31 #define ATMEL_LCDC_WIRING_BGR 0 32 #define ATMEL_LCDC_WIRING_RGB 1 33 #define ATMEL_LCDC_WIRING_RGB555 2 34 35 36 /* LCD Controller info data structure, stored in device platform_data */ 37 struct atmel_lcdfb_info { 38 spinlock_t lock; 39 struct fb_info *info; 40 void __iomem *mmio; 41 int irq_base; 42 struct work_struct task; 43 44 unsigned int guard_time; 45 unsigned int smem_len; 46 struct platform_device *pdev; 47 struct clk *bus_clk; 48 struct clk *lcdc_clk; 49 50 #ifdef CONFIG_BACKLIGHT_ATMEL_LCDC 51 struct backlight_device *backlight; 52 u8 bl_power; 53 #endif 54 bool lcdcon_is_backlight; 55 u8 saved_lcdcon; 56 57 u8 default_bpp; 58 u8 lcd_wiring_mode; 59 unsigned int default_lcdcon2; 60 unsigned int default_dmacon; 61 void (*atmel_lcdfb_power_control)(int on); 62 struct fb_monspecs *default_monspecs; 63 u32 pseudo_palette[16]; 64 }; 65 66 #define ATMEL_LCDC_DMABADDR1 0x00 67 #define ATMEL_LCDC_DMABADDR2 0x04 68 #define ATMEL_LCDC_DMAFRMPT1 0x08 69 #define ATMEL_LCDC_DMAFRMPT2 0x0c 70 #define ATMEL_LCDC_DMAFRMADD1 0x10 71 #define ATMEL_LCDC_DMAFRMADD2 0x14 72 73 #define ATMEL_LCDC_DMAFRMCFG 0x18 74 #define ATMEL_LCDC_FRSIZE (0x7fffff << 0) 75 #define ATMEL_LCDC_BLENGTH_OFFSET 24 76 #define ATMEL_LCDC_BLENGTH (0x7f << ATMEL_LCDC_BLENGTH_OFFSET) 77 78 #define ATMEL_LCDC_DMACON 0x1c 79 #define ATMEL_LCDC_DMAEN (0x1 << 0) 80 #define ATMEL_LCDC_DMARST (0x1 << 1) 81 #define ATMEL_LCDC_DMABUSY (0x1 << 2) 82 #define ATMEL_LCDC_DMAUPDT (0x1 << 3) 83 #define ATMEL_LCDC_DMA2DEN (0x1 << 4) 84 85 #define ATMEL_LCDC_DMA2DCFG 0x20 86 #define ATMEL_LCDC_ADDRINC_OFFSET 0 87 #define ATMEL_LCDC_ADDRINC (0xffff) 88 #define ATMEL_LCDC_PIXELOFF_OFFSET 24 89 #define ATMEL_LCDC_PIXELOFF (0x1f << 24) 90 91 #define ATMEL_LCDC_LCDCON1 0x0800 92 #define ATMEL_LCDC_BYPASS (1 << 0) 93 #define ATMEL_LCDC_CLKVAL_OFFSET 12 94 #define ATMEL_LCDC_CLKVAL (0x1ff << ATMEL_LCDC_CLKVAL_OFFSET) 95 #define ATMEL_LCDC_LINCNT (0x7ff << 21) 96 97 #define ATMEL_LCDC_LCDCON2 0x0804 98 #define ATMEL_LCDC_DISTYPE (3 << 0) 99 #define ATMEL_LCDC_DISTYPE_STNMONO (0 << 0) 100 #define ATMEL_LCDC_DISTYPE_STNCOLOR (1 << 0) 101 #define ATMEL_LCDC_DISTYPE_TFT (2 << 0) 102 #define ATMEL_LCDC_SCANMOD (1 << 2) 103 #define ATMEL_LCDC_SCANMOD_SINGLE (0 << 2) 104 #define ATMEL_LCDC_SCANMOD_DUAL (1 << 2) 105 #define ATMEL_LCDC_IFWIDTH (3 << 3) 106 #define ATMEL_LCDC_IFWIDTH_4 (0 << 3) 107 #define ATMEL_LCDC_IFWIDTH_8 (1 << 3) 108 #define ATMEL_LCDC_IFWIDTH_16 (2 << 3) 109 #define ATMEL_LCDC_PIXELSIZE (7 << 5) 110 #define ATMEL_LCDC_PIXELSIZE_1 (0 << 5) 111 #define ATMEL_LCDC_PIXELSIZE_2 (1 << 5) 112 #define ATMEL_LCDC_PIXELSIZE_4 (2 << 5) 113 #define ATMEL_LCDC_PIXELSIZE_8 (3 << 5) 114 #define ATMEL_LCDC_PIXELSIZE_16 (4 << 5) 115 #define ATMEL_LCDC_PIXELSIZE_24 (5 << 5) 116 #define ATMEL_LCDC_PIXELSIZE_32 (6 << 5) 117 #define ATMEL_LCDC_INVVD (1 << 8) 118 #define ATMEL_LCDC_INVVD_NORMAL (0 << 8) 119 #define ATMEL_LCDC_INVVD_INVERTED (1 << 8) 120 #define ATMEL_LCDC_INVFRAME (1 << 9 ) 121 #define ATMEL_LCDC_INVFRAME_NORMAL (0 << 9) 122 #define ATMEL_LCDC_INVFRAME_INVERTED (1 << 9) 123 #define ATMEL_LCDC_INVLINE (1 << 10) 124 #define ATMEL_LCDC_INVLINE_NORMAL (0 << 10) 125 #define ATMEL_LCDC_INVLINE_INVERTED (1 << 10) 126 #define ATMEL_LCDC_INVCLK (1 << 11) 127 #define ATMEL_LCDC_INVCLK_NORMAL (0 << 11) 128 #define ATMEL_LCDC_INVCLK_INVERTED (1 << 11) 129 #define ATMEL_LCDC_INVDVAL (1 << 12) 130 #define ATMEL_LCDC_INVDVAL_NORMAL (0 << 12) 131 #define ATMEL_LCDC_INVDVAL_INVERTED (1 << 12) 132 #define ATMEL_LCDC_CLKMOD (1 << 15) 133 #define ATMEL_LCDC_CLKMOD_ACTIVEDISPLAY (0 << 15) 134 #define ATMEL_LCDC_CLKMOD_ALWAYSACTIVE (1 << 15) 135 #define ATMEL_LCDC_MEMOR (1 << 31) 136 #define ATMEL_LCDC_MEMOR_BIG (0 << 31) 137 #define ATMEL_LCDC_MEMOR_LITTLE (1 << 31) 138 139 #define ATMEL_LCDC_TIM1 0x0808 140 #define ATMEL_LCDC_VFP (0xffU << 0) 141 #define ATMEL_LCDC_VBP_OFFSET 8 142 #define ATMEL_LCDC_VBP (0xffU << ATMEL_LCDC_VBP_OFFSET) 143 #define ATMEL_LCDC_VPW_OFFSET 16 144 #define ATMEL_LCDC_VPW (0x3fU << ATMEL_LCDC_VPW_OFFSET) 145 #define ATMEL_LCDC_VHDLY_OFFSET 24 146 #define ATMEL_LCDC_VHDLY (0xfU << ATMEL_LCDC_VHDLY_OFFSET) 147 148 #define ATMEL_LCDC_TIM2 0x080c 149 #define ATMEL_LCDC_HBP (0xffU << 0) 150 #define ATMEL_LCDC_HPW_OFFSET 8 151 #define ATMEL_LCDC_HPW (0x3fU << ATMEL_LCDC_HPW_OFFSET) 152 #define ATMEL_LCDC_HFP_OFFSET 21 153 #define ATMEL_LCDC_HFP (0x7ffU << ATMEL_LCDC_HFP_OFFSET) 154 155 #define ATMEL_LCDC_LCDFRMCFG 0x0810 156 #define ATMEL_LCDC_LINEVAL (0x7ff << 0) 157 #define ATMEL_LCDC_HOZVAL_OFFSET 21 158 #define ATMEL_LCDC_HOZVAL (0x7ff << ATMEL_LCDC_HOZVAL_OFFSET) 159 160 #define ATMEL_LCDC_FIFO 0x0814 161 #define ATMEL_LCDC_FIFOTH (0xffff) 162 163 #define ATMEL_LCDC_MVAL 0x0818 164 165 #define ATMEL_LCDC_DP1_2 0x081c 166 #define ATMEL_LCDC_DP4_7 0x0820 167 #define ATMEL_LCDC_DP3_5 0x0824 168 #define ATMEL_LCDC_DP2_3 0x0828 169 #define ATMEL_LCDC_DP5_7 0x082c 170 #define ATMEL_LCDC_DP3_4 0x0830 171 #define ATMEL_LCDC_DP4_5 0x0834 172 #define ATMEL_LCDC_DP6_7 0x0838 173 #define ATMEL_LCDC_DP1_2_VAL (0xff) 174 #define ATMEL_LCDC_DP4_7_VAL (0xfffffff) 175 #define ATMEL_LCDC_DP3_5_VAL (0xfffff) 176 #define ATMEL_LCDC_DP2_3_VAL (0xfff) 177 #define ATMEL_LCDC_DP5_7_VAL (0xfffffff) 178 #define ATMEL_LCDC_DP3_4_VAL (0xffff) 179 #define ATMEL_LCDC_DP4_5_VAL (0xfffff) 180 #define ATMEL_LCDC_DP6_7_VAL (0xfffffff) 181 182 #define ATMEL_LCDC_PWRCON 0x083c 183 #define ATMEL_LCDC_PWR (1 << 0) 184 #define ATMEL_LCDC_GUARDT_OFFSET 1 185 #define ATMEL_LCDC_GUARDT (0x7f << ATMEL_LCDC_GUARDT_OFFSET) 186 #define ATMEL_LCDC_BUSY (1 << 31) 187 188 #define ATMEL_LCDC_CONTRAST_CTR 0x0840 189 #define ATMEL_LCDC_PS (3 << 0) 190 #define ATMEL_LCDC_PS_DIV1 (0 << 0) 191 #define ATMEL_LCDC_PS_DIV2 (1 << 0) 192 #define ATMEL_LCDC_PS_DIV4 (2 << 0) 193 #define ATMEL_LCDC_PS_DIV8 (3 << 0) 194 #define ATMEL_LCDC_POL (1 << 2) 195 #define ATMEL_LCDC_POL_NEGATIVE (0 << 2) 196 #define ATMEL_LCDC_POL_POSITIVE (1 << 2) 197 #define ATMEL_LCDC_ENA (1 << 3) 198 #define ATMEL_LCDC_ENA_PWMDISABLE (0 << 3) 199 #define ATMEL_LCDC_ENA_PWMENABLE (1 << 3) 200 201 #define ATMEL_LCDC_CONTRAST_VAL 0x0844 202 #define ATMEL_LCDC_CVAL (0xff) 203 204 #define ATMEL_LCDC_IER 0x0848 205 #define ATMEL_LCDC_IDR 0x084c 206 #define ATMEL_LCDC_IMR 0x0850 207 #define ATMEL_LCDC_ISR 0x0854 208 #define ATMEL_LCDC_ICR 0x0858 209 #define ATMEL_LCDC_LNI (1 << 0) 210 #define ATMEL_LCDC_LSTLNI (1 << 1) 211 #define ATMEL_LCDC_EOFI (1 << 2) 212 #define ATMEL_LCDC_UFLWI (1 << 4) 213 #define ATMEL_LCDC_OWRI (1 << 5) 214 #define ATMEL_LCDC_MERI (1 << 6) 215 216 #define ATMEL_LCDC_LUT(n) (0x0c00 + ((n)*4)) 217 218 #endif /* __ATMEL_LCDC_H__ */ 219